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Finding the Fourth Proportional to 295,033.60, 442,155 and 276,137.92

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Solution

The fourth proportional to 295,033.60, 442,155 and 276,137.92 is: 413,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,033.60 : 442,155 = 276,137.92 : x
  2. Step 2: Convert to fraction form
    295,033.60/442,155 = 276,137.92/x
  3. Step 3: Cross multiply
    295,033.60x = 442,155 × 276,137.92
  4. Step 4: Simplify right side
    295,033.60x = 122,095,762,017.60
  5. Step 5: Solve for x
    x = 122,095,762,017.60/295,033.60
  6. Step 6: Final answer
    x = 413,836.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.